android Thread 停止开始暂停

最新推荐文章于 2025-05-21 13:59:16 发布

陈明元

最新推荐文章于 2025-05-21 13:59:16 发布

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文章标签： Android Thread 线程

本文链接：https://blog.youkuaiyun.com/yaxin2010/article/details/9101939

本文详细探讨了在Android中如何管理和控制Thread的生命周期，包括如何启动、停止和暂停线程，以及在Android应用开发中处理线程操作的最佳实践。

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package com.example.thread;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {
	 int r=0;   
	 Button bt;
	 Button bt1;
	 Button bt2;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		bt=(Button)findViewById(R.id.button1);
		bt1=(Button)findViewById(R.id.button2);
		bt2=(Button)findViewById(R.id.button3);
		Thread1 t = new Thread1();  
        Thread c = new Control(t);  
        t.setSleep(true);  
        c.setDaemon(true);     
        t.start();  
        c.start();  
		bt.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				r=2;
			}
			
		});
		bt1.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				r=0;
			}
			
		});
		bt2.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				r=1;
			}
			
		});
		
	}

	

	class Thread1 extends Thread {  
	    private boolean isSleep = true;  
	    private boolean isStop = false;  
	      
	    public void run() {  
	        while(!isStop) {  
	            if(isSleep) {  
	                try {  
	                    Thread.sleep(1);  
	                } catch (InterruptedException e) {  
	                    e.printStackTrace();  
	                }  
	            } else {  
	                System.out.println("Thread: "+Thread.currentThread().getName() + " 运行中.");  
	                try {  
	                    Thread.sleep(2000);  
	                } catch (InterruptedException e) {  
	                    e.printStackTrace();  
	                }  
	            }  
	        }  
	        System.out.println("Thread: "+Thread.currentThread().getName() + " 结束.");  
	    }  
	      
	    public void setSleep(boolean sleep) {  
	        this.isSleep = sleep;  
	    }  
	    public void setStop(boolean stop) {  
	        this.isStop = stop;  
	    }  
	}  
	class Control extends Thread {  
	    private Thread1 t;  
	    public Control(Thread1 t) {  
	        this.t = t;  
	    }  
	      
	    public void run() {  
	        while(true) {  
	            if(r == 0) {  //r=0运行
	                t.setSleep(false);  
	            } else if(r == 1) {  //r=1暂停
	                t.setSleep(true);  
	            } else if(r == 2) {  //r=2 停止
	                t.setStop(true);  
	            }  
	        }  
	    }  
	}  
}